Shure BLX4 Single-Channel Wireless Diversity Receiver with PS23



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Shure BLX Wireless Systems combine professional quality sound with simple setup and an intuitive interface for performance you can trust right out of the box.

The Shure BLX4 is a single channel wireless receiver with microprocessor-controlled internal antenna diversity. The durable BLX4 features simple setup, intuitive controls, and microprocessor-controlled internal antenna diversity. One-touch QuickScan frequency selection quickly locates the best open frequency in case of interference. For use with BLX Wireless Systems. 


• Up to 12 compatible systems per frequency band (region dependent)
• Microprocessor-controlled internal antenna diversity
• One-touch QuickScan frequency selection quickly locates the best frequency
• 1/4" and XLR audio outputs
• Two colour audio status indicator LED

BLX4 Specifications

Output Impedance
XLR connector: 200 Ω
6.35 mm (1/4") connector: 50 Ω

Audio Output Level
Ref. +/-33 kHz deviation with 1 kHz tone
XLR connector: -27 dBV (into 100 kΩ load)
6.35 mm (1/4") connector: -13 dBV (into 100 kΩ load)

RF Sensitivity: -105 dBm for 12 dB SINAD, typical

Image Rejection: > 50 dB, typical

Operating Temperature: -18C (0F) to 57C (135F)
Note: Battery characteristics may limit this range.

Dimensions: 40 mm X 188 mm X 103 mm (H x W x D)
Weight: 241 g (8.5 oz.)

Power Requirements: 1215 V DC @ 160 mA, supplied by external power supply (tip positive)

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